Pith Number

pith:XW37IRCX

pith:2015:XW37IRCXEVMEVO7CJ64SLYPITA

not attested not anchored not stored refs pending

Tight Bounds on Low-degree Spectral Concentration of Submodular and XOS functions

Jan Vondrak, Vitaly Feldman

arxiv:1504.03391 v2 · 2015-04-13 · cs.DS · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XW37IRCXEVMEVO7CJ64SLYPITA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:35:59.754792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdb7f4445725584abbe24fb925e1e898286112f4f58c959757ad09d981c218d3

Aliases

arxiv: 1504.03391 · arxiv_version: 1504.03391v2 · doi: 10.48550/arxiv.1504.03391 · pith_short_12: XW37IRCXEVME · pith_short_16: XW37IRCXEVMEVO7C · pith_short_8: XW37IRCX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XW37IRCXEVMEVO7CJ64SLYPITA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: bdb7f4445725584abbe24fb925e1e898286112f4f58c959757ad09d981c218d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6fd6f7444e41240b20fa201a1c2282fbfe561c5e4e6d2aa110a67b30c2917ff",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-04-13T23:51:45Z",
    "title_canon_sha256": "9cd5f6e552a59f732b59c18cf6dada891b4c62c9291bb3ba8104012ff3f020e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03391",
    "kind": "arxiv",
    "version": 2
  }
}